題組內容
I. Let the joint pdf of random variables X and Y be given by $$f(x, y) = \begin{cases} cx & 0 < x < y < 1 \\ 0 & \text{elsewhere.} \end{cases}$$
1. (15%) Let \( Z = X + Y \). Derive the CDF of \( Z \).
I. Let the joint pdf of random variables X and Y be given by $$f(x, y) = \begin{cases} cx & 0 < x < y < 1 \\ 0 & \text{elsewhere.} \end{cases}$$
1. (15%) Let \( Z = X + Y \). Derive the CDF of \( Z \).